Messaging Apps

TeamSpeak Client
Free
Quality voice communication via the Internet.
Netchat
Free
Chat with other users in the same subnet.
Viber
Free
Lets you send free messages as well as make free calls to other Viber users, on any device and network, in any country!
IP Messenger
Free
A pop up style LAN Messenger.
Softros LAN Messenger
Free Trial
An easy-to-use LAN messaging application for safe, secure and effective intra-office communication.
Rambox
Free
The only way to organize your workspace and boost your productivity.
Telegram
Free (Open Source)
A messaging app with a focus on speed and security.
Linphone
Free
Communicate freely with people over the internet, with voice, video, and text instant messaging.
RealPopup
Free Trial
Provides a comprehensive LAN-based instant messaging solution for local network communication.
Ferdium
Free
All your services in one place built by the community.
Skype
Free
Skype keeps the world talking. Call, message and share whatever you want for free.
Trillian
Free
Chat with other Trillian users or those on Facebook, Google, AIM, ICQ, XMPP, Yahoo!, Twitter, and more.
Mesh
Free
One messenger for Internet and LAN chat with end-to-end encryption.
mIRC
Free
A popular Internet Relay Chat client used by millions of people, and thousands of organizations, to communicate, share, play and work with each other on IRC networks around the world.
Pidgin
Free
A chat program which lets you log in to accounts on multiple chat networks simultaneously.
LAN Messenger
Free
A free instant messaging application for communication over a local network.
AdiIRC
Free
An IRC client with multiserver support and a customizable interface.
Franz
Free
A free messaging app for WhatsApp, Facebook Messenger, Telegram, Slack and more.
Gajim
Free
A fully-featured XMPP client.
WhatsApp
Free
A cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS.